diff --git a/PARAM_DEF/m10_m3_bt.xml b/PARAM_DEF/m10_m3_bt.xml
index 8609ee4..7f34234 100644
--- a/PARAM_DEF/m10_m3_bt.xml
+++ b/PARAM_DEF/m10_m3_bt.xml
@@ -1,12 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <param xml:id="m10_m3_bt">
     <get>
-        <vi name="m10:mag:m3mean6s">
-            <baseParam name="Bt"/>
-        </vi>
+        <amdaParam name="m10_m3_b_mo"/>
     </get>
-    <process></process>
-    <output>
-        <!---<plot>ORBIT</plot>-->
-    </output>
+    <process>magnitude($m10_m3_b_mo)</process>
+    <output/>
 </param>
--
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